<template>
  <div>
    <h1>当前求和为：{{$store.state.sum}}</h1>
    <h3>当前求和放大10倍为：{{$store.getters.bigSum}}</h3>
    
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment">+</button>
    <button @click="decrement">-</button>
    <button @click="incrementOdd">当前求和为奇数再加</button>
    <button @click="incrementWait">等一等再加</button>
  </div>
</template>

<script>
export default {
  name: "CountTest",
  data(){
    return{
      n:1,//用户选择的数据
    }
  },
  methods:{
    increment(){
      this.$store.commit('ADD',this.n) //直接调用mutation
    },
    decrement(){
      this.$store.commit('JIAN',this.n) //直接调用mutation
    },
    incrementOdd(){
        this.$store.dispatch('addOdd',this.n)

    },
    incrementWait(){
        this.$store.dispatch('addWait',this.n)
    }
  }
};
</script>

<style>
.category {
  background-color: skyblue;
  width: 200px;
  height: 300px;
}
h3 {
  text-align: center;
  background-color: orange;
}
button {
  margin-left: 5px;
}
</style>